<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
 <form id="type_update_form">
     <input type="hidden" name="tid" th:value="${type.tid}">
     类型<input type="text" name="tname" th:value="${type.tname}">
 </form>
</body>
</html>